Re: [[patch] valarray (was Re: valarray_copy implementation question)

[Christian BRUEL <christian dot bruel at st dot com>]

If you want a complete example of how this is used this you can check 
the example 14-22 at 
http://www.linux-kheops.com/doc/casteyde/cours_cpp-1.40.1/htm/x5866.htm#AEN6045

that segfaults with g++

because the computed assignment is between a source and a destination 
that have different sizes. It's a user error so easy to step into I 
guess. The Standard didn't make this point very intuitive.

Cheers

Christian


Gabriel Dos Reis wrote:
> On Fri, Nov 27, 2009 at 3:02 AM, Christian BRUEL <christian.bruel@st.com> wrote:
> > Now that you established that it was a user bug, just wanted to slightly
> > correct the problem characterization by fixing the code with
> >
> >  b[0] = foo();
> >  dest[b] = src[b];
> >
> > so the problem was the "this" size really, not the runtime dependency on
> > foo(). Hope this could be of interest (regarding all the bogus examples I
> > found including the computed assignment variation).
>
> Are you still having a problem with that?  If yes, could
> you send a minimal complete program?
>
> -- Gaby